How long is the flight from United States to Northern Ireland?

Flight times vary depending on what airport in United States you fly out of and what airport in Northern Ireland you fly into. For example, flying from Boston to Belfast Intl Airport takes 9h 15m on average. On the other hand, flying from New York to Belfast Intl Airport takes 10h 35m on average. Keep in mind that it’s always quicker to opt for a non-stop flight, so be sure to check momondo if there are any available for your route.

When did momondo last update prices for flights from United States to Northern Ireland?

Prices for flights from United States to Northern Ireland were last updated today.

How many operators does momondo search for flights from United States to Northern Ireland?

As of July 2025, there are 2 operators available to choose from for flights from United States to Northern Ireland.

How old do you have to be to fly from United States to Northern Ireland?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from United States to Northern Ireland.

What documentation or ID do you need to fly to Northern Ireland?

The travel and health documents required for your trip to Northern Ireland can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Northern Ireland. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$188 Cheap Flights from the United States to Northern Ireland in 2025

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Find the cheapest flights from the United States to Northern Ireland

Round-trip

One-way

Last minute

Recent round-trip flight deals from the United States to Northern Ireland

6:20 pm - 9:55 amJFK-BFS

10h 35m1 stop

8:55 pm - 3:55 pmBFS-JFK

24h 00m1 stop

$435

Find Deal

Wed, Sep 24 - Tue, Sep 30

6:20 pm - 9:55 amJFK-BFS

10h 35m1 stop

6:05 am - 3:55 pmBFS-JFK

14h 50m1 stop

$439

Find Deal

Wed, Sep 3 - Fri, Sep 19

6:25 pm - 10:30 amJFK-BHD

11h 05m1 stop

10:00 am - 5:15 pmBHD-JFK

12h 15m1 stop

$522British Airways

Find Deal

Tue, Dec 9 - Tue, Feb 24

7:30 pm - 11:55 amJFK-BHD

11h 25m1 stop

6:35 am - 12:40 pmBHD-JFK

11h 05m1 stop

$526British Airways

Find Deal

Wed, Sep 3 - Fri, Sep 19

2:19 pm - 4:55 pmJFK-BHD

21h 36m2 stops

6:30 am - 6:45 pmBHD-JFK

17h 15m2 stops

$575Delta

Find Deal

Wed, Sep 3 - Fri, Sep 19

12:50 am - 9:15 pmJFK-BHD

15h 25m1 stop

6:30 am - 5:59 pmBHD-JFK

16h 29m2 stops

$597Delta

Find Deal

Mon, Sep 15 - Tue, Sep 23

7:00 am - 4:55 pmJFK-BHD

28h 55m2 stops

5:25 pm - 3:25 pmBHD-JFK

27h 00m1 stop

$601Virgin Atlantic

Find Deal

Sun, Sep 21 - Mon, Oct 6

12:45 pm - 1:15 pmLAX-BHD

16h 30m2 stops

10:40 am - 8:25 pmBHD-LAX

17h 45m1 stop

$711American Airlines

Find Deal

Sun, Nov 23 - Sun, Dec 7

12:45 pm - 1:15 pmLAX-BHD

16h 30m2 stops

10:40 am - 8:25 pmBHD-LAX

17h 45m1 stop

$712American Airlines

Find Deal

Sun, Nov 23 - Sun, Dec 7

12:29 pm - 4:55 pmROC-BHD

23h 26m2 stops

6:30 am - 10:47 pmBHD-ROC

21h 17m2 stops

$840Virgin Atlantic

Find Deal

Fri, Oct 17 - Tue, Oct 21

Delta flights from United States to Northern Ireland

Our best Delta deals on United States to Northern Ireland flight tickets

Delta

Sep 3

JFK2:19 pmNew York John F Kennedy Intl

21h 36m

2 stops

BHD4:55 pmBelfast City

Sep 19

BHD6:30 amBelfast City

17h 15m

2 stops

JFK6:45 pmNew York John F Kennedy Intl

$575

Find similar

Delta

Aug 4

JFK12:50 amNew York John F Kennedy Intl

15h 25m

1 stop

BHD9:15 pmBelfast City

Aug 12

BHD6:30 amBelfast City

20h 55m

2 stops

JFK10:25 pmNew York John F Kennedy Intl

$596

Find similar

Delta

Sep 15

JFK12:50 amNew York John F Kennedy Intl

15h 25m

1 stop

BHD9:15 pmBelfast City

Sep 23

BHD6:30 amBelfast City

16h 29m

2 stops

JFK5:59 pmNew York John F Kennedy Intl

$597

Find similar

Iberia flights from United States to Northern Ireland

Our best Iberia deals on United States to Northern Ireland flight tickets

Iberia

Oct 12

JFK4:50 pmNew York John F Kennedy Intl

13h 40m

2 stops

BHD11:30 amBelfast City

Oct 19

BHD6:50 amBelfast City

15h 15m

1 stop

JFK5:05 pmNew York John F Kennedy Intl

$653

Find similar

Iberia

Aug 4

JFK11:40 pmNew York John F Kennedy Intl

16h 05m

2 stops

BHD8:45 pmBelfast City

Aug 13

BHD6:50 amBelfast City

19h 50m

2 stops

JFK9:40 pmNew York John F Kennedy Intl

$811

Find similar

momondo Fare Finder

Use the filters below to find and compare flights from the United States to Northern Ireland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

New YorkBelfast

JFK - BFS

JFKBFS

New York John F Kennedy Intl

Wed 9/24

6:20 pm-9:55 am

1 stop10h 35m

Belfast Intl

Tue 9/30

8:55 pm-3:55 pm

1 stop24h 00m

$435

New YorkBelfast

JFK - BFS

JFKBFS

New York John F Kennedy Intl

Wed 9/3

6:20 pm-9:55 am

1 stop10h 35m

Belfast Intl

Fri 9/19

6:05 am-3:55 pm

1 stop14h 50m

$439

New YorkBelfast

JFK - BHD

JFKBHD

New York John F Kennedy Intl

Tue 12/9

6:25 pm-10:30 am

1 stop11h 05m

Belfast City

Tue 2/24

10:00 am-5:15 pm

1 stop12h 15m

$522

New YorkBelfast

JFK - BHD

JFKBHD

New York John F Kennedy Intl

Wed 9/3

7:30 pm-11:55 am

1 stop11h 25m

Belfast City

Fri 9/19

6:35 am-12:40 pm

1 stop11h 05m

$526

New YorkBelfast

JFK - BHD

JFKBHD

New York John F Kennedy Intl

Wed 9/3

2:19 pm-4:55 pm

2 stops21h 36m

Belfast City

Fri 9/19

6:30 am-6:45 pm

2 stops17h 15m

$575

New YorkBelfast

JFK - BHD

JFKBHD

New York John F Kennedy Intl

Mon 9/15

12:50 am-9:15 pm

1 stop15h 25m

Belfast City

Tue 9/23

6:30 am-5:59 pm

2 stops16h 29m

$597

New YorkBelfast

JFK - BHD

JFKBHD

New York John F Kennedy Intl

Sun 9/21

7:00 am-4:55 pm

2 stops28h 55m

Belfast City

Mon 10/6

5:25 pm-3:25 pm

1 stop27h 00m

$601

Los AngelesBelfast

LAX - BHD

LAXBHD

Los Angeles

Sun 11/23

12:45 pm-1:15 pm

2 stops16h 30m

Belfast City

Sun 12/7

10:40 am-8:25 pm

1 stop17h 45m

$711

Los AngelesBelfast

LAX - BHD

LAXBHD

Los Angeles

Sun 11/23

12:45 pm-1:15 pm

2 stops16h 30m

Belfast City

Sun 12/7

10:40 am-8:25 pm

1 stop17h 45m

$712

RochesterBelfast

ROC - BHD

ROCBHD

Rochester Greater Rochester Intl

Fri 10/17

12:29 pm-4:55 pm

2 stops23h 26m

Belfast City

Tue 10/21

6:30 am-10:47 pm

2 stops21h 17m

$840

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from United States to Northern Ireland

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Other information

What is the cheapest month to fly to Northern Ireland?

The cheapest month to fly to Northern Ireland from United States is in June. Flight prices, which tend to average around $670, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of June, then book flights to Northern Ireland from United States during December instead. Flights to Northern Ireland in December, while not as cheap as those in June, still average around $709.

What is the cheapest day to depart on your flight to Northern Ireland?

The cheapest day to depart on your flight to Northern Ireland is on a Friday when prices can be found for as low as $691. This is often the case because there is less demand to fly during this day of the week. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from United States to Northern Ireland for around $1,143.

What is the cheapest time of day to depart on your flight to Northern Ireland?

At noon is the cheapest time of day to fly from United States to Northern Ireland when you can find flight prices for as low as $681. Flying to Northern Ireland at noon is an ideal time because this is during off-peak travel hours. Flights in the afternoon are often more expensive with an average ticket price of $838.

Can stopping save me money on United States to Northern Ireland flights?

You could potentially save up to 12% on your flight if you consider stops on a United States to Northern Ireland flight.

Cheap United States to Northern Ireland flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from United States to Northern Ireland

Best Price Found	$188
Fastest flight time	9h 55m
Direct flights	None
Airports in Northern Ireland	2 airports

The best one-way flight to Northern Ireland from United States in the past 72 hours is $188. The best round-trip flight deal from United States to Northern Ireland found on momondo in the last 72 hours is $435.

The fastest flight from United States to Northern Ireland takes 9h 55m

There are no direct flights from United States to Northern Ireland. Popular non-direct routes for this connection are New York John F Kennedy Intl Airport - Belfast City Airport, New York John F Kennedy Intl Airport - Belfast Intl Airport and Newark Airport - Belfast Intl Airport.

There are 2 airports near Northern Ireland: Belfast Intl (BFS), Belfast City (BHD)

Search flight deals

When did momondo last update prices for flights from United States to Northern Ireland?
Prices for flights from United States to Northern Ireland were last updated today.
How many operators does momondo search for flights from United States to Northern Ireland?
As of July 2025, there are 2 operators available to choose from for flights from United States to Northern Ireland.
How old do you have to be to fly from United States to Northern Ireland?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from United States to Northern Ireland.
What documentation or ID do you need to fly to Northern Ireland?
The travel and health documents required for your trip to Northern Ireland can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Northern Ireland. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from United States to Northern Ireland

Compare and see reviews for airlines that fly from United States to Northern Ireland with momondo

Airline	Rating	Free Cancellation	Price
British Airways	PriceFrom $565	Free Cancellation	Rating 6.6 7,222 reviews		Search British Airways flights
American Airlines	PriceFrom $586	Free Cancellation	Rating 7.2 10,000 reviews		Search American Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from United States to Northern Ireland?

Finding the right flight to Northern Ireland from United States is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Northern Ireland quick and easy, saving you time and money.

Can I find flights from United States to Northern Ireland with flexible booking policies on momondo?

Flights from United States to Northern Ireland with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from United States to Northern Ireland?

Once you have performed a search for United States to Northern Ireland flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from United States to Northern Ireland right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of United States to Northern Ireland flights. All you need is a valid email address and we will do the rest; it is that quick and easy.